This week we continued to work on different methods to find the volume of an integral when it is revolved. We learned how to do the shell method this week, which was a bit more intricate but not more difficult than the washer and disk method. I actually thought it was easier because I would often forget to square the functions. It's pretty easy for the most part but since there are so many details it's easy to forget one part of the equation and throw off your answer. Sketching the graph and the rectangle definitely helps you to remember. The hard part is not being able to double check your answer unless you have an answer key. If I get a negative volume then I definitely know that I did something wrong but other than that I just hope for the best.
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March 2017
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